eWON Family - eWON Support

9.5 Upgrade Bootloader (to upgrade to firmware >= 5.2)
General Reference Guide Upgrading the eWON firmware
Since firmware version 5.2, the Bootloader of the eWON must be greater than 2.0.
Every eWON produced with a serial number greater or equal to 0648-xxxx-xx have already this bootloader 2.0.
The eWON produced before 0648-xxxx-xx exceptionally need to be upgraded. The Bootloader 2.0 is required to upgrade eWON to firmware 5.2.
In order to do that, a bootldr.bin file must be downloaded in the eWON by FTP. There is no need to reboot after the bootloader upgrade.
You can find the bootldr.bin file on the eWON website http://support.ewon.biz in the “Support - Download Firmware” section.
The eWON data or config is NOT affected by this upgrade.
Important: You should not remove the power during a bootldr upgrade.
9.5.1 Error Message
If a firmware with revision >=5.2 is downloaded in the eWON, and the bootloader has not a version > 2.0, the eWON will generate an error and
the firmware will be refused.
A simple download of the bootloader will solve the problem and allow you to download the >=5.2 firmware.
For firmware =5.1 (5.1, 5.1s1, 5.1s2) , in the Event Log (or in Events.txt file) the message will be ”Bootloader upgrade required”
9.5.2 Checking your boot loader version
It can be checked in the estat.htm file or with Export Bloc Descriptor $dtES.
SIFBootldrRev:00020003
Or in the Diagnosis/status/Info page:
In the above examples, the Bootloader version is 2.3.
note: bootloader version display only available since eWON firmware 5.2
RG-001-0-EN ver 1.6 eWON® - 22/06/2009 - ©ACT'L sa Page 198